Home / 86,505.76-119,377.97-48,780.02

Finding the Fourth Proportional to 86,505.76, 119,377.97 and 48,780.02

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Solution

The fourth proportional to 86,505.76, 119,377.97 and 48,780.02 is: 67,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.76 : 119,377.97 = 48,780.02 : x
  2. Step 2: Convert to fraction form
    86,505.76/119,377.97 = 48,780.02/x
  3. Step 3: Cross multiply
    86,505.76x = 119,377.97 × 48,780.02
  4. Step 4: Simplify right side
    86,505.76x = 5,823,259,764.16
  5. Step 5: Solve for x
    x = 5,823,259,764.16/86,505.76
  6. Step 6: Final answer
    x = 67,316.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.